Was a while back so bit fuzzy on what precisely we were measuring, but no wasn't something cached/CDN'd. Maybe a VPS or something not sure.

I was on a better connection (gigabit FTTC) and in a better peered location (central London).

amsterdam

Don't know where precisely in NL they were or what connection type. I'd certainly expect a like for like amsterdam wired connection to win so this was probably something more pedestrian & rural